Using Schema Builder to Apply Constraints BACK | 1 2 3 4 5 6 7 8 9 10 11 | NEXT | MAIN

You can also use Schema Builder to apply constraints to database objects. A constraint is a condition that restricts the values that can be stored in a column of a table. In this example, we've placed a constraint on the Salary column, ensuring that all values stored in the column will be greater than zero.